Seen from Space: Guatemala's Pacaya Volcano Pops

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A bevy of satellites have caught a bird's-eye view of Guatemala's
Pacaya volcano since the peak popped its top on March 2. Pacaya
watchers have posted images of ash plumes and glowing lava on
their blogs, all from the watchful sensors of four NASA
satellites, including Landsat 7 and Landsat 8, Terra and Aqua.

Pacaya volcano is close to the capital, Guatemala City, and just
24 miles (38 kilometers) from resort towns such as Antigua. The
8,373-foot-tall peak (2,552 meters) is one of
Guatemala's most active volcanoes and has been belching on
and off since January. An explosion on Monday (March 3) opened a
new lava vent between the volcano's Cerro Chino and Mackenney
crater, according to CONRED, the national hazard-monitoring
agency.

On Sunday, Pacaya spewed ash 13,000 feet (4,000 m) into the sky,
prompting some flight cancellations, though the ash is moving
away from the capital and resorts. The volcano is at
yellow alert and no evacuations have been ordered, according to
CONRED. Volcanic activity at Pacaya is currently waning,
according to the national geological agency, INSIVUMEH.

Pacaya is one of three volcanoes now steaming in Guatemala,
joining Fuego and Santiaguito, both of which are generating lava
flows. The country is home to 22 volcanoes. Guatemala is located
above one of Earth's
subduction zones, where a crustal tectonic plate bends
underneath another plate. Fluids boiled out of the sinking plate
melt the rock above it, creating rising magma plumes that form
volcanoes.